Which statement best explains the text's use of dramatic irony

Dramatic irony is when a person isn’t aware of what is happening but other people are aware. Based on the story we know that the Vulturians have conquered over 400 planets but now they find themselves on the verge of extinction so they find the planet Earth which is defenseless. I think the answer is A since we know they are lying, but the people in Earth aren’t aware.
Answer A

There flaw is their dicks